METHOD FOR THE OPERATION OF A TELEPHONE EXCHANGE,申请号IL19790057028-传众专利搜索

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发明名称	METHOD FOR THE OPERATION OF A TELEPHONE EXCHANGE
摘要
申请公布号	IL57028(A)	申请公布日期	1981.12.31
申请号	IL19790057028	申请日期	1979.04.09
申请人	SIEMENS ALBIS AG	发明人
分类号	H04Q3/42;(IPC1-7):H04M1/00;H04M3/00	主分类号	H04Q3/42
代理机构		代理人
主权项
地址

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